What To Do If... (Troubleshooting - Lexus LC500 2017 Owner's Manual

 It is locked automatically to prevent
theft of the vehicle. (→P.141, 144)
The windows do not open or
close by operating the power
window switches
 Is the window lock switch pressed?
The power window at the passenger's seat
cannot be operated if the window lock
switch is pressed. (→P.126)
The engine switch <power
switch> is turned off automati-
cally
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode <ON mode> (the engine is
not running <hybrid system is not
operating>) for a period of time.
(→P.143, 146)
A warning buzzer sounds during
driving
 The seat belt reminder light is flash-
ing
Are the driver and the passengers wearing
the seat belts? (→P.339)
 The parking brake indicator is on
Is the parking brake released? (→P.162)
Depending on the situation, other
types of warning buzzer may also
sound. (→P.334, 344)
An alarm is activated and the
horn sounds
 Did anyone inside the vehicle open
LC500_LC500h_OM_OM11405U_(U)

What to do if... (Troubleshooting)

What to do if... (Troubleshooting)
a door during setting the alarm?
The sensor detects it and the alarm sounds.
(→P.64)
To stop the alarm, turn the engine
switch <power switch> to IGNITION
ON mode <ON mode>, or start the
engine <hybrid system>.
A warning buzzer sounds when
leaving the vehicle
 Is the electronic key left inside the
vehicle?
Check the message on the multi-informa-
tion display. (→P.344)
A warning light turns on or a
warning message is displayed
 When a warning light turns on or a
warning message is displayed, refer
to P.334, 344.
When a problem has occurred
If you have a flat tire
 Slow down the vehicle, drive with
extra caution, and take your vehicle
to the nearest Lexus dealer or
authorized tire dealer as soon as
possible to have the tire replaced.
(→P.350)
The vehicle becomes stuck
 Try the procedure for when the vehi-
cle becomes stuck in mud, dirt, or
snow. (→P.370)
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